public abstract class User{
    private String account;
    private String password;

    public void setAccount(String account){
        this.account = account;
    }
    public void setPassword(String password){
        this.password = password;
    }
    public String getAccount(){return account;}
    public String getPassword(){return password;}


    public abstract void changePassword();

    public abstract void passwordManagement();
    public void exit(){
        System.exit(0);
    };




}
